diff --git a/amrclaw b/amrclaw
index 3b64e95d..2d90d97f 160000
--- a/amrclaw
+++ b/amrclaw
@@ -1 +1 @@
-Subproject commit 3b64e95d947fb60bf6ae5e7fa3952b97969230dc
+Subproject commit 2d90d97f1d00c15f4f469ae1f625c889d8bcfaf3
diff --git a/clawpack/__init__.py b/clawpack/__init__.py
index 0be8b761..cbc5d2bc 100644
--- a/clawpack/__init__.py
+++ b/clawpack/__init__.py
@@ -21,4 +21,4 @@
                 if _os.path.isdir(_sdir))
 del _root, _path
 
-__version__ = '5.9.0'   # must also be changed in setup.py
+__version__ = '5.9.1'   # must also be changed in setup.py
diff --git a/clawutil b/clawutil
index 60c7f239..6f3e18ee 160000
--- a/clawutil
+++ b/clawutil
@@ -1 +1 @@
-Subproject commit 60c7f2397222e250b3e8e63673234aa5582700b0
+Subproject commit 6f3e18eec124798d5a662d596c5135adca0b0aee
diff --git a/geoclaw b/geoclaw
index b005768d..db6ef3ae 160000
--- a/geoclaw
+++ b/geoclaw
@@ -1 +1 @@
-Subproject commit b005768de402bee90a8340b4ac18fab2428b3b8e
+Subproject commit db6ef3ae09731f21abf7bd581e6b03170715708c
diff --git a/pyclaw b/pyclaw
index a1c2ee04..d346bcd8 160000
--- a/pyclaw
+++ b/pyclaw
@@ -1 +1 @@
-Subproject commit a1c2ee04a3a7264636a22eabd7d17d009a0f1d53
+Subproject commit d346bcd8303c10f9bb8f63e01fe498787ae4d2a0
diff --git a/riemann b/riemann
index d177660f..a53a9795 160000
--- a/riemann
+++ b/riemann
@@ -1 +1 @@
-Subproject commit d177660f5e7ac7a966958708780717918d91aff6
+Subproject commit a53a9795eeab687fedebcaa0d25a526cad5c80ec
diff --git a/visclaw b/visclaw
index b763ccc8..6518e7a4 160000
--- a/visclaw
+++ b/visclaw
@@ -1 +1 @@
-Subproject commit b763ccc8d8517c0090597e703b73b4409ca74fd6
+Subproject commit 6518e7a4daa568de8573141d3da1860c3a2a8987